From patchwork Fri Sep 21 11:17:30 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Vasilis Liaskovitis X-Patchwork-Id: 1491381 Return-Path: X-Original-To: patchwork-kvm@patchwork.kernel.org Delivered-To: patchwork-process-083081@patchwork1.kernel.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by patchwork1.kernel.org (Postfix) with ESMTP id B1DF4400ED for ; Fri, 21 Sep 2012 11:18:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933016Ab2IULSn (ORCPT ); Fri, 21 Sep 2012 07:18:43 -0400 Received: from mail-bk0-f46.google.com ([209.85.214.46]:40966 "EHLO mail-bk0-f46.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933061Ab2IULRz (ORCPT ); Fri, 21 Sep 2012 07:17:55 -0400 Received: by mail-bk0-f46.google.com with SMTP id w11so743928bku.19 for ; Fri, 21 Sep 2012 04:17:55 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20120113; h=from:to:cc:subject:date:message-id:x-mailer:in-reply-to:references :x-gm-message-state; bh=d4Fw1VXpv1sgLok/T+/3i0Z2eE+Nmr3M5uroxRDhNb4=; b=kzhHlXEDUBQD0Bw8mAz5sl21XQpOxfI1ZTrn2Y9LoFQtef/miKdm5/usdY8aOcZs39 qDFk8mEXdQDdZranIAQrEJ6q8zteWUiqX1xeFc7y3NklN38PcZbXkZkLGEUXfRYDlUKb tVQBGe/f05fYhOTWYwxvvBqFWmNsZmoNCHacPln50apPWZBf1mtcwMbBl56Bd4x62EVG T5d1HBBNDubjiSkLfLHgpEd54vINf44KBjVq794u0OgycJs6v+4I3qKT7M8S1lVyFPaS ml6jUOBEoAwGoowS867oBo00ZoESTwBMKlRr7uUgKpZ44KDnULAFctBB5Xuqn9SuPzeL VdZQ== Received: by 10.204.128.202 with SMTP id l10mr1940707bks.127.1348226274710; Fri, 21 Sep 2012 04:17:54 -0700 (PDT) Received: from dhcp-192-168-178-175.ri.profitbricks.localdomain ([62.217.45.26]) by mx.google.com with ESMTPS id x13sm5271435bkv.16.2012.09.21.04.17.53 (version=TLSv1/SSLv3 cipher=OTHER); Fri, 21 Sep 2012 04:17:54 -0700 (PDT) From: Vasilis Liaskovitis To: qemu-devel@nongnu.org, kvm@vger.kernel.org, seabios@seabios.org Cc: avi@redhat.com, anthony@codemonkey.ws, kevin@koconnor.net, wency@cn.fujitsu.com, kraxel@redhat.com, eblake@redhat.com, blauwirbel@gmail.com, gleb@redhat.com, imammedo@redhat.com, Vasilis Liaskovitis Subject: [RFC PATCH v3 14/19][SeaBIOS] Add _OST dimm method Date: Fri, 21 Sep 2012 13:17:30 +0200 Message-Id: <1348226255-4226-15-git-send-email-vasilis.liaskovitis@profitbricks.com> X-Mailer: git-send-email 1.7.9 In-Reply-To: <1348226255-4226-1-git-send-email-vasilis.liaskovitis@profitbricks.com> References: <1348226255-4226-1-git-send-email-vasilis.liaskovitis@profitbricks.com> X-Gm-Message-State: ALoCoQlH2WDweUwHOnJ3ClP0ePmD3997D/aG7CxA+q+Cie6VZnPiT4lzCsh8JJCsi/zmcaDIHU+H Sender: kvm-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: kvm@vger.kernel.org Add support for _OST method. _OST method will write into the correct I/O byte to signal success / failure of hot-add or hot-remove to qemu. Signed-off-by: Vasilis Liaskovitis --- src/acpi-dsdt.dsl | 50 ++++++++++++++++++++++++++++++++++++++++++++++++++ src/ssdt-mem.dsl | 4 ++++ 2 files changed, 54 insertions(+), 0 deletions(-) diff --git a/src/acpi-dsdt.dsl b/src/acpi-dsdt.dsl index 5d3e92b..0d37bbc 100644 --- a/src/acpi-dsdt.dsl +++ b/src/acpi-dsdt.dsl @@ -762,6 +762,28 @@ DefinitionBlock ( MPE, 8 } + + /* Memory hot-remove notify failure byte */ + OperationRegion(MEEF, SystemIO, 0xafa1, 1) + Field (MEEF, ByteAcc, NoLock, Preserve) + { + MEF, 8 + } + + /* Memory hot-add notify success byte */ + OperationRegion(MPIS, SystemIO, 0xafa2, 1) + Field (MPIS, ByteAcc, NoLock, Preserve) + { + MIS, 8 + } + + /* Memory hot-add notify failure byte */ + OperationRegion(MPIF, SystemIO, 0xafa3, 1) + Field (MPIF, ByteAcc, NoLock, Preserve) + { + MIF, 8 + } + Method(MESC, 0) { // Local5 = active memdevice bitmap Store (MES, Local5) @@ -802,6 +824,34 @@ DefinitionBlock ( Store(Arg0, MPE) Sleep(200) } + Method (MOST, 3, Serialized) { + // _OST method - OS status indication + Switch (And(Arg0, 0xFF)) { + Case(0x3) + { + Switch(And(Arg1, 0xFF)) { + Case(0x1) { + Store(Arg2, MEF) + // Revert MEON flag for this memory device to one + Store(One, Index(MEON, Arg2)) + } + } + } + Case(0x1) + { + Switch(And(Arg1, 0xFF)) { + Case(0x0) { + Store(Arg2, MIS) + } + Case(0x1) { + Store(Arg2, MIF) + // Revert MEON flag for this memory device to zero + Store(Zero, Index(MEON, Arg2)) + } + } + } + } + } } diff --git a/src/ssdt-mem.dsl b/src/ssdt-mem.dsl index ee322f0..041d301 100644 --- a/src/ssdt-mem.dsl +++ b/src/ssdt-mem.dsl @@ -38,6 +38,7 @@ DefinitionBlock ("ssdt-mem.aml", "SSDT", 0x02, "BXPC", "CSSDT", 0x1) External(CMST, MethodObj) External(MPEJ, MethodObj) + External(MOST, MethodObj) Name(_CRS, ResourceTemplate() { QwordMemory( @@ -60,6 +61,9 @@ DefinitionBlock ("ssdt-mem.aml", "SSDT", 0x02, "BXPC", "CSSDT", 0x1) Method (_EJ0, 1, NotSerialized) { MPEJ(ID, Arg0) } + Method (_OST, 3) { + MOST(Arg0, Arg1, ID) + } } }